No Spills or Leaks: The Champagne Stoppers Optimizes The Internal Structure to Make The Wine Bottle Stopper and The Bottle Mouth Fit Tighter, Tightly Lock The Gas In The Bottle, Prevent The Bubbles From Slowly Dissipating After The Bottle Is Opened, Prolonging The Freshness of The Wine. . Safe Material: The Vacuum Rubber Wine Stoppers Are Made From High Quality and Durable Food Grade Silicone Inside and Food Grade Abs Outside. Safe to Human Body, Non- toxic. . Special Design Easier to Grasp: The Champagne Plugs with A More Harmonious Style, Mini Size, Exquisite, and Easier to Store. There Are 3 Small Grooves On The Bottle Stopper That Fit Your Fingertips, Making It Easier to Rotate and Avoid Hand Slip. . Widely Used: Suitable for Most Red Wine and Champagne Bottles, Wine Bottle, Champagne Corks Can Be Reused and Easy to Clean. . How to Use: to Use This Perfect Beer Saver, Rotary Lock Design, Only Need to Rotate The Upper Part of The Wine Stopper to Unlock, Then Put It Into The Bottle Mouth to Tighten It, and Then Turn The Upper Part of The Champagne Stopper Back to Its original Position and Done. .